A)
I:2.25*pretzels+1.5*drinks=463.50
II:pretzels+drinks=257
b)
with II:
pretzels+drinks=257
pretzels=257-drinks
substitute pretzels=257-drinks into I:
2.25*pretzels+1.5*drinks=463.50
2.25*(257-drinks)+1.5*drinks=463.50
2.25*257-2.25*drinks+1.5*drinks=463.50
-0.75*drinks=463.5-2.25*257
0.75*drinks=114.75
drinks=114.75/0.75=153
in II:
pretzels=257-drinks
pretzels=257-153=104
Answer:
B
Step-by-step explanation:
Given
+ 5 = 12 ( subtract 5 from both sides )
= 7 ( square both sides )
x - 6 = 49 ( add 6 to both sides )
x = 55
Convert 6.5% to a number that can be used:
6.5%/100 = 0.06
Find out how much you are going to pay due to tax by multiplying the decimal by the total of the meal:
0.06 × $7.50 = $0.49
Now that we know that the tax will make you pay 49 cents more, we can add up $0.49 and the meal to see how much we are going to pay for the whole thing:
$7.50 + $0.49 = $7.99
Answer: $7.50 a meal + 6.5% = $7.99
Answer:72 in
Step-by-step explanation:
When we are looking for the area of something we always multiply the numbers they give us.